Modifiers matching ideal:

• spiritual,
• sharp,
• positive,
• invisible,
• noble,
• objective,
• american,
• aesthetic,
• western,
• common,
• cultural,
• professional,
• abstract,
• ethical,
• democratic,
• educational,
• absolute,
• powerful,
• social,
• political,
• traditional,
• moral,
• masculine,
• big,
• old,
• timeless,

Simple categories matching timeless:

• quality,
• emotion,
• thing,
• ideal,
• material,
• passion,
• theme,
• topic,
• experience,
• subject,
• matter,
• values,
• ingredient,
• concept,
• issue,
• scene,
• idea,
• attribute,
• fabric,
• study,
• style,